Lua error in Module:labels at [[Module:labels#L-938|line 938]]: bad argument #1 to 'ipairs' (table expected, got string)

Backtrace:

[C]: in function "ipairs"
Module:labels:938: ?
(tail call): ?
package.lua:103: ?
(tail call): ?
mw.lua:496: in function "executeModule"
mw.lua:768: in function "loadData"
Module:labels/utilities:103: in function "check_submodule"
Module:labels/utilities:193: in function "find_labels_for_category"
Module:category_tree/poscatboiler:527: in function "get_labels_categorizing"
Module:category_tree/poscatboiler:565: in function "getDescription"
Module:category_tree:377: in function "show_description"
Module:category_tree:142: in function "chunk"
mw.lua:527: ?
[C]: ?
[C]: in function "expandTemplate"
mw.lua:333: in function "expandTemplate"
Module:auto_cat:228: in function "chunk"
mw.lua:527: ?
[C]: ?

Category:Polish terms derived from Penobscot

Pages in category "Polish terms derived from Penobscot"